more about Sherpas HERE.
They are professionals and often have to cope with people who aren't capable of doing the climb successfully, and if they die, well, their family gets less than 10 thousand dollars insurance money.

and then they have to put up with bozos like this group, who complained to the UKSun that they were "attacked" by a mob of Sherpas includes the other side of the story:

The witness, who wishes to remain anonymous, said: “The Sherpas told the team
not to climb above them while they were fixing the ropes but they did it
anyway.
“Then ice fell and hit the Sherpas, which made them very angry.”